Finding the Fourth Proportional to 376,672.10, 519,955.61 and 225,739.94
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Solution
The fourth proportional to 376,672.10, 519,955.61 and 225,739.94 is: 311,609.88
Step by Step Solution
- Step 1: Write the proportion equation
376,672.10 : 519,955.61 = 225,739.94 : x - Step 2: Convert to fraction form
376,672.10/519,955.61 = 225,739.94/x - Step 3: Cross multiply
376,672.10x = 519,955.61 × 225,739.94 - Step 4: Simplify right side
376,672.10x = 117,374,748,204.06 - Step 5: Solve for x
x = 117,374,748,204.06/376,672.10 - Step 6: Final answer
x = 311,609.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.